M1.8 earthquake 15km E of Seven Trees, CA

Magnitude

1.8 (Md, duration), micro

Magnitude from

Northern California Seismic System

Local time

Mon, Aug 30, 2021, 5:14 AM PDT

UTC

2021-08-30 12:14:36 UTC

Depth

3.1 km (2.0 mi), shallow

Epicenter

37.297° N, 121.666° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.2 km horizontally, 0.4 km in depth

Magnitude uncertainty

±0.24

Depth from

From location

Station coverage gap

40°

Stations used

46

• Seven Trees, CaliforniaPopulation 1,788. Forecast15 kmE
• Alum Rock, CaliforniaPopulation 15,536. Forecast16 kmESE
• San Jose, CaliforniaPopulation 997,368. Forecast21 kmESE
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast475 kmNW

After

1. 1.74km N of Pinnacles, CAMon, Aug 30, 5:43 AM PDT · 1861 days ago · 6 km deep · 94 km away
2. 1.718km SSW of Gustine, CAMon, Aug 30, 6:22 AM PDT · 1861 days ago · 7 km deep · 57 km away
3. 1.73km ESE of Aromas, CAMon, Aug 30, 4:41 PM PDT · 1861 days ago · 7 km deep · 47 km away · felt by 2
4. 1.915km E of Seven Trees, CATue, Aug 31, 1:15 AM PDT · 1860 days ago · 4 km deep · 1 km away
5. 4.06km NW of Pinnacles, CATue, Aug 31, 9:09 AM PDT · 1860 days ago · 9 km deep · 91 km away · felt by 265 · tsunami flag
6. 2.411km NE of Milpitas, CATue, Aug 31, 11:27 AM PDT · 1860 days ago · 4 km deep · 27 km away
7. 2.66km S of Livermore, CAWed, Sep 1, 4:13 PM PDT · 1859 days ago · 4 km deep · 38 km away · felt by 81
8. 1.75km NW of Dublin, CAThu, Sep 2, 6:20 AM PDT · 1858 days ago · 7 km deep · 56 km away
9. 1.58km NNW of Pinnacles, CAFri, Sep 3, 12:07 PM PDT · 1857 days ago · 7 km deep · 89 km away
10. 2.014km N of Morgan Hill, CAFri, Sep 3, 1:09 PM PDT · 1857 days ago · 4 km deep · 5 km away · felt by 2
11. 2.26km SW of Gilroy, CASat, Sep 4, 9:15 AM PDT · 1856 days ago · 3 km deep · 37 km away · felt by 1
12. 1.56km SW of Gilroy, CASat, Sep 4, 11:01 AM PDT · 1856 days ago · 3 km deep · 37 km away
13. 1.910km NE of Milpitas, CASat, Sep 4, 12:25 PM PDT · 1856 days ago · 4 km deep · 27 km away
14. 1.913km SSE of Tres Pinos, CASun, Sep 5, 7:47 AM PDT · 1855 days ago · 6 km deep · 76 km away
15. 1.611km ESE of Gilroy, CASun, Sep 5, 10:52 PM PDT · 1854 days ago · 5 km deep · 40 km away · felt by 3
16. 2.515km SSE of Tres Pinos, CAWed, Sep 8, 6:31 PM PDT · 1852 days ago · 5 km deep · 79 km away · felt by 3
17. 1.67km NNW of Pinnacles, CAThu, Sep 9, 9:18 AM PDT · 1851 days ago · 8 km deep · 90 km away
18. 1.76km WNW of Dublin, CAThu, Sep 9, 6:56 PM PDT · 1851 days ago · 7 km deep · 56 km away · felt by 3
19. 1.78km S of Gustine, CAFri, Sep 10, 12:41 AM PDT · 1850 days ago · 9 km deep · 60 km away
20. 2.216km NW of Pinnacles, CAFri, Sep 10, 7:59 AM PDT · 1850 days ago · 4 km deep · 81 km away
21. 1.73km ESE of Pacheco, CAFri, Sep 10, 5:03 PM PDT · 1850 days ago · 12 km deep · 82 km away
22. 2.17km NNW of Pinnacles, CAFri, Sep 10, 5:57 PM PDT · 1850 days ago · 8 km deep · 90 km away
23. 2.08km N of Pinnacles, CAFri, Sep 10, 8:01 PM PDT · 1850 days ago · 9 km deep · 90 km away
24. 1.81km NW of Diablo, CASun, Sep 12, 5:31 AM PDT · 1848 days ago · 8 km deep · 66 km away
25. 2.015km NW of Pinnacles, CASun, Sep 12, 8:04 AM PDT · 1848 days ago · 10 km deep · 82 km away · felt by 1
26. 2.910km NE of Milpitas, CATue, Sep 14, 11:45 AM PDT · 1846 days ago · 5 km deep · 27 km away · felt by 139
27. 2.38km ESE of Fremont, CAWed, Sep 15, 7:08 PM PDT · 1845 days ago · 7 km deep · 33 km away · felt by 6
28. 2.07km NNW of Pinnacles, CAThu, Sep 16, 8:18 PM PDT · 1843 days ago · 7 km deep · 90 km away
29. 1.59km SSW of Tres Pinos, CAThu, Sep 16, 8:48 PM PDT · 1843 days ago · 1 km deep · 69 km away
30. 2.012km NNE of Hollister, CASat, Sep 18, 4:31 AM PDT · 1842 days ago · 8 km deep · 50 km away · felt by 1
31. 1.96km NNE of Los Banos, CASat, Sep 18, 5:20 AM PDT · 1842 days ago · 5 km deep · 78 km away
32. 2.05km NNE of Los Banos, CASat, Sep 18, 5:23 AM PDT · 1842 days ago · 5 km deep · 78 km away
33. 2.15km NNE of Los Banos, CASat, Sep 18, 5:54 AM PDT · 1842 days ago · 6 km deep · 78 km away
34. 2.46km NNE of Los Banos, CASat, Sep 18, 8:44 AM PDT · 1842 days ago · 6 km deep · 78 km away · felt by 4
35. 3.16km WNW of Dublin, CASat, Sep 18, 5:09 PM PDT · 1842 days ago · 7 km deep · 56 km away · felt by 379
36. 1.56km WNW of Dublin, CASat, Sep 18, 5:10 PM PDT · 1842 days ago · 6 km deep · 56 km away
37. 2.112km NNE of Hollister, CASat, Sep 18, 10:56 PM PDT · 1841 days ago · 7 km deep · 50 km away · felt by 2
38. 2.49km ESE of Fremont, CASun, Sep 19, 2:21 AM PDT · 1841 days ago · 7 km deep · 32 km away · felt by 8
39. 1.65km NW of Dublin, CASun, Sep 19, 12:50 PM PDT · 1841 days ago · 6 km deep · 55 km away
40. 1.57km NNW of Pinnacles, CAMon, Sep 20, 11:49 AM PDT · 1840 days ago · 8 km deep · 90 km away
41. 1.52km NNE of Pinnacles, CAMon, Sep 20, 12:10 PM PDT · 1840 days ago · 6 km deep · 96 km away
42. 1.913km SSW of Tres Pinos, CATue, Sep 21, 4:45 AM PDT · 1839 days ago · 10 km deep · 72 km away
43. 1.98km NW of Pinnacles, CATue, Sep 21, 5:30 AM PDT · 1839 days ago · 8 km deep · 90 km away
44. 1.53km NNW of Union City, CATue, Sep 21, 6:01 AM PDT · 1839 days ago · 3 km deep · 49 km away
45. 1.75km NW of Dublin, CATue, Sep 21, 11:39 PM PDT · 1838 days ago · 5 km deep · 56 km away
46. 3.212km W of Moss Landing, CAWed, Sep 22, 2:57 AM PDT · 1838 days ago · 9 km deep · 61 km away · felt by 500
47. 2.59km ENE of Milpitas, CAWed, Sep 22, 10:16 AM PDT · 1838 days ago · 7 km deep · 23 km away · felt by 23
48. 1.94km SW of Newark, CAWed, Sep 22, 11:46 PM PDT · 1837 days ago · 12 km deep · 43 km away · felt by 2
49. 1.85km WNW of Dublin, CAThu, Sep 23, 5:18 PM PDT · 1837 days ago · 7 km deep · 55 km away · felt by 1
50. 1.81km WNW of Walnut Creek, CAThu, Sep 23, 6:44 PM PDT · 1837 days ago · 11 km deep · 77 km away · felt by 2
51. 1.67km NW of Pinnacles, CASat, Sep 25, 7:37 AM PDT · 1835 days ago · 7 km deep · 90 km away
52. 2.12km E of Hayward, CASat, Sep 25, 9:39 AM PDT · 1835 days ago · 3 km deep · 51 km away · felt by 22
53. 1.96km S of Tres Pinos, CASat, Sep 25, 9:03 PM PDT · 1834 days ago · 10 km deep · 69 km away
54. 2.18km SSW of Tres Pinos, CASun, Sep 26, 12:35 PM PDT · 1834 days ago · 3 km deep · 69 km away · felt by 1
55. 1.514km SW of Portola Valley, CAMon, Sep 27, 6:48 PM PDT · 1833 days ago · 4 km deep · 61 km away
56. 1.612km W of Moss Landing, CATue, Sep 28, 1:44 PM PDT · 1832 days ago · 10 km deep · 60 km away
57. 1.710km NW of Pinnacles, CATue, Sep 28, 5:48 PM PDT · 1832 days ago · 1 km deep · 87 km away
58. 2.812km W of Moss Landing, CATue, Sep 28, 11:16 PM PDT · 1831 days ago · 8 km deep · 60 km away · felt by 123
59. 1.75km S of San Juan Bautista, CAWed, Sep 29, 10:10 AM PDT · 1831 days ago · 7 km deep · 56 km away
60. 2.014km SSE of Tres Pinos, CAWed, Sep 29, 11:30 AM PDT · 1831 days ago · 5 km deep · 78 km away

The first 60 of 132.

Before

1. 1.88km NW of Pinnacles, CASun, Aug 29, 6:47 PM PDT · 1862 days ago · 7 km deep · 90 km away · felt by 2
2. 1.77km ENE of Pinnacles, CASun, Aug 29, 5:00 AM PDT · 1862 days ago · 12 km deep · 97 km away · felt by 1
3. 1.78km SSW of Livermore, CASat, Aug 28, 9:50 PM PDT · 1862 days ago · 10 km deep · 36 km away
4. 2.11km NE of Pinnacles, CAFri, Aug 27, 3:50 PM PDT · 1864 days ago · 9 km deep · 97 km away
5. 2.012km NW of Pinnacles, CAFri, Aug 27, 6:45 AM PDT · 1864 days ago · 5 km deep · 85 km away
6. 1.83km SW of Alamo, CAThu, Aug 26, 9:13 PM PDT · 1864 days ago · 12 km deep · 69 km away
7. 1.815km E of Seven Trees, CAMon, Aug 23, 6:46 PM PDT · 1868 days ago · 3 km deep · 1 km away
8. 2.115km E of Seven Trees, CAMon, Aug 23, 6:37 PM PDT · 1868 days ago · 4 km deep · 1 km away · felt by 1
9. 1.82km NW of Pacifica, CAMon, Aug 23, 6:18 PM PDT · 1868 days ago · 8 km deep · 83 km away · felt by 2
10. 1.824km SSW of Los Banos, CAMon, Aug 23, 2:17 PM PDT · 1868 days ago · 6 km deep · 77 km away
11. 1.64km SW of Colma, CAMon, Aug 23, 5:34 AM PDT · 1868 days ago · 7 km deep · 83 km away
12. 1.624km SSW of Los Banos, CAMon, Aug 23, 4:57 AM PDT · 1868 days ago · 2 km deep · 76 km away
13. 3.15km S of Ridgemark, CASat, Aug 21, 12:54 PM PDT · 1870 days ago · 9 km deep · 64 km away · felt by 17
14. 2.99km SW of Tres Pinos, CATue, Aug 17, 2:14 PM PDT · 1874 days ago · 3 km deep · 67 km away · felt by 8
15. 2.410km NW of Pinnacles, CAMon, Aug 16, 11:06 PM PDT · 1874 days ago · 3 km deep · 87 km away · felt by 2
16. 1.81km ENE of Alamo, CAMon, Aug 16, 9:27 AM PDT · 1875 days ago · 13 km deep · 69 km away
17. 1.92km WNW of Tres Pinos, CASun, Aug 15, 9:26 PM PDT · 1875 days ago · 9 km deep · 63 km away
18. 2.04km ESE of Pinnacles, CASun, Aug 15, 1:36 AM PDT · 1876 days ago · 11 km deep · 100 km away · felt by 1
19. 1.75km WNW of Dublin, CASat, Aug 14, 5:01 PM PDT · 1877 days ago · 6 km deep · 55 km away
20. 1.69km ENE of Pinnacles, CASat, Aug 14, 12:10 AM PDT · 1877 days ago · 4 km deep · 98 km away

From the USGS Earthquake Hazards Program and its partner networks, event nc73617901. Read Sun, Oct 4, 2026, 2:44 PM UTC.